3 files changed, 52 insertions, 5 deletions

diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 6e4d67220a..e0f85677e3 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -10,6 +10,7 @@
 #include <clk.h>
 #include <clk-uclass.h>
 #include <dm.h>
+#include <dt-structs.h>
 #include <errno.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -21,6 +22,22 @@ static inline struct clk_ops *clk_dev_ops(struct udevice *dev)
 
 #if CONFIG_IS_ENABLED(OF_CONTROL)
 #ifdef CONFIG_SPL_BUILD
+# if CONFIG_IS_ENABLED(OF_PLATDATA)
+int clk_get_by_index_platdata(struct udevice *dev, int index,
+			      struct phandle_2_cell *cells, struct clk *clk)
+{
+	int ret;
+
+	if (index != 0)
+		return -ENOSYS;
+	ret = uclass_get_device(UCLASS_CLK, 0, &clk->dev);
+	if (ret)
+		return ret;
+	clk->id = cells[0].id;
+
+	return 0;
+}
+# else
 int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
 {
 	int ret;
@@ -39,6 +56,7 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
 	clk->id = cell[1];
 	return 0;
 }
+# endif /* OF_PLATDATA */
 
 int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk)
 {
@@ -117,8 +135,8 @@ int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk)
 
 	return clk_get_by_index(dev, index, clk);
 }
-#endif
-#endif
+#endif /* CONFIG_SPL_BUILD */
+#endif /* OF_CONTROL */
 
 int clk_request(struct udevice *dev, struct clk *clk)
 {
diff --git a/drivers/clk/clk_fixed_rate.c b/drivers/clk/clk_fixed_rate.c
index 797e537907..9c4d2b322f 100644
--- a/drivers/clk/clk_fixed_rate.c
+++ b/drivers/clk/clk_fixed_rate.c
@@ -30,9 +30,11 @@ const struct clk_ops clk_fixed_rate_ops = {
 
 static int clk_fixed_rate_ofdata_to_platdata(struct udevice *dev)
 {
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
 	to_clk_fixed_rate(dev)->fixed_rate =
 				fdtdec_get_int(gd->fdt_blob, dev->of_offset,
 					       "clock-frequency", 0);
+#endif
 
 	return 0;
 }
diff --git a/drivers/clk/clk_rk3288.c b/drivers/clk/clk_rk3288.c
index 2285453e8d..679f010bb7 100644
--- a/drivers/clk/clk_rk3288.c
+++ b/drivers/clk/clk_rk3288.c
@@ -7,7 +7,9 @@
 #include <common.h>
 #include <clk-uclass.h>
 #include <dm.h>
+#include <dt-structs.h>
 #include <errno.h>
+#include <mapmem.h>
 #include <syscon.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
@@ -21,6 +23,12 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+struct rk3288_clk_plat {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+	struct dtd_rockchip_rk3288_cru dtd;
+#endif
+};
+
 struct rk3288_clk_priv {
 	struct rk3288_grf *grf;
 	struct rk3288_cru *cru;
@@ -783,13 +791,30 @@ static struct clk_ops rk3288_clk_ops = {
 	.set_rate	= rk3288_clk_set_rate,
 };
 
-static int rk3288_clk_probe(struct udevice *dev)
+static int rk3288_clk_ofdata_to_platdata(struct udevice *dev)
 {
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
 	struct rk3288_clk_priv *priv = dev_get_priv(dev);
 
 	priv->cru = (struct rk3288_cru *)dev_get_addr(dev);
+#endif
+
+	return 0;
+}
+
+static int rk3288_clk_probe(struct udevice *dev)
+{
+	struct rk3288_clk_priv *priv = dev_get_priv(dev);
+
 	priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+	if (IS_ERR(priv->grf))
+		return PTR_ERR(priv->grf);
 #ifdef CONFIG_SPL_BUILD
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+	struct rk3288_clk_plat *plat = dev_get_platdata(dev);
+
+	priv->cru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]);
+#endif
 	rkclk_init(priv->cru, priv->grf);
 #endif
 
@@ -813,12 +838,14 @@ static const struct udevice_id rk3288_clk_ids[] = {
 	{ }
 };
 
-U_BOOT_DRIVER(clk_rk3288) = {
-	.name		= "clk_rk3288",
+U_BOOT_DRIVER(rockchip_rk3288_cru) = {
+	.name		= "rockchip_rk3288_cru",
 	.id		= UCLASS_CLK,
 	.of_match	= rk3288_clk_ids,
 	.priv_auto_alloc_size = sizeof(struct rk3288_clk_priv),
+	.platdata_auto_alloc_size = sizeof(struct rk3288_clk_plat),
 	.ops		= &rk3288_clk_ops,
 	.bind		= rk3288_clk_bind,
+	.ofdata_to_platdata	= rk3288_clk_ofdata_to_platdata,
 	.probe		= rk3288_clk_probe,
 };